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vulnerability

MediaWiki: CVE-2021-45472: Improper Neutralization of Input During Web Page Generation

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Dec 24, 2021
Added
Dec 30, 2021
Modified
May 6, 2026

Description

In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.

Solution

mediawiki-upgrade-latest
Title
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